CN204795717U - LED lamp with automatic voltage regulation function - Google Patents
LED lamp with automatic voltage regulation function Download PDFInfo
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- CN204795717U CN204795717U CN201520390197.4U CN201520390197U CN204795717U CN 204795717 U CN204795717 U CN 204795717U CN 201520390197 U CN201520390197 U CN 201520390197U CN 204795717 U CN204795717 U CN 204795717U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a LED lamp with automatic voltage regulation function, including chip IC1, transformer W, potentiometre RP2, chip IC6 and unidirectional thyristor Q1, relay K2's normally open contact K2 -2 is connected to transformer W's winding L1's one end, and 220VAC, relay K1's normally open contact K1 -2 and relay K1's normally closed contact K1 -1 are connected to relay K2's normally open contact K2 -2's the other end. The utility model discloses LED lamp circuit can be according to the winding number of commercial power voltage fluctuation automatically regulated transformer to reach the effect of stabilizing output voltage, realize carrying on excessive pressure and undervoltage protection's purpose to the circuit, make LED lamp power supply voltage stable simultaneously, therefore the circuit has simple structure, output is stable and the manifold advantage of function.
Description
Technical field
The utility model relates to a kind of LED, specifically a kind of LED with automatic Regulation function.
Background technology
LED is low because have power consumption, heat radiation lampet advantage is widely used in lighting apparatus, and illumination is most important power mode in daily life, because the driving voltage of LED lamp is different, and it is higher to the requirement of voltage, easily because of overvoltage, the situation such as under-voltage and burning, therefore its drive circuit seems particularly important, the drive circuit of current most of LED all has overvoltage and under-voltage protection function, but the protected mode taked only is only limitted to open circuit, extinguish light fixture, although can protective circuit not be burned, but also have impact on the normal Working Life of people.
Utility model content
The purpose of this utility model is to provide a kind of LED with automatic Regulation function, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of LED with automatic Regulation function, comprise chip IC 1, transformer W, potentiometer RP2, chip IC 6 and unidirectional thyristor Q1, one end of the winding L 1 of described transformer W connects the normally opened contact K2-2 of relay K 2, the other end of the normally opened contact K2-2 of relay K 2 connects 220VAC, the normally opened contact K1-2 of the relay K 1 and normally-closed contact K1-1 of relay K 1, the other end of the normally-closed contact K1-1 of relay K 1 connects the normally-closed contact K2-1 of relay K 2, the other end of winding L 1 of the other end connection transformer W of the normally-closed contact K2-1 of relay K 2 and the winding L 2 of transformer W, the winding L 3 of other end connection transformer W of the winding L 2 of transformer W and the other end of the normally opened contact K1-2 of relay K 1, the other end of the winding L 3 of transformer W connects the other end of 220VAC, the winding L 4 connecting valve S1 of transformer W, the other end of switch S 1 connects the port one of rectifier bridge T, the other end of the winding L 4 of the port 3 connection transformer W of rectifier bridge T, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, the pin 1 of electric capacity C1 and chip IC 1, the other end of electric capacity C1 connects electric capacity C5, electric capacity C6, resistance R7, light fixture H, the anode of diode D1, the negative electrode of diode D5, the port 4 of rectifier bridge T and the pin 1 of chip IC 6, the other end of resistance R1 connects the stiff end of potentiometer RP1, the stiff end of potentiometer RP2, the stiff end of potentiometer RP3, the stiff end of potentiometer RP4 and the negative electrode of diode D1, another stiff end ground connection of potentiometer RP1, another stiff end ground connection of potentiometer RP2, another stiff end ground connection of potentiometer RP3, another stiff end ground connection of potentiometer RP4, the sliding end of potentiometer RP1 connects the pin 3 of chip IC 2, the sliding end of potentiometer RP2 connects the pin 3 of chip IC 3, the sliding end of potentiometer RP3 connects the pin 3 of chip IC 4, the sliding end of potentiometer RP4 connects the pin 3 of chip IC 5, the other end of resistance R2 connects the pin 1 of chip IC 2, the pin 1 of chip IC 3, the pin 1 of chip IC 4 and the pin 1 of chip IC 5, pin 2 ground connection of chip IC 1, the pin 3 of chip IC 1 connects electric capacity C2, electric capacity C3, electric capacity C4, a stiff end of potentiometer RP1, the negative electrode of diode D7, the negative electrode of diode D8, relay K 1, relay K 2, resistance R5, the pin 4 of chip IC 6 and the pin 8 of chip IC 6, the pin 4 contact resistance R3 of chip IC 2, the base stage of the other end connecting triode VT1 of resistance R3, the collector electrode of triode VT1 connects the other end of electric capacity C3, the anode of diode D7 and the other end of relay K 1, the pin 4 contact resistance R4 of chip IC 3, the base stage of the other end connecting triode VT2 of resistance R3, the collector electrode of triode VT2 connects the other end of electric capacity C4, the anode of diode D8 and the other end of relay K 2, the pin 4 of chip IC 4 connects the anode of diode D2, the negative electrode of diode D2 connects negative electrode and the resistance R6 of diode D3, the base stage of the other end connecting triode VT3 of resistance R6, the grounded emitter of triode VT1, the grounded emitter of triode VT2, the emitter of triode VT3 connects the anode of diode D4, the other end of resistance R5 connects the other end of electric capacity C5, the collector electrode of triode VT3, the pin 2 of chip IC 6 and the pin 6 of chip IC 6, the pin 5 of chip IC 6 connects the other end of electric capacity C6, the pin 3 contact resistance R8 of chip IC 6 and resistance R9, the other end of resistance R9 connects the anode of diode D5, the other end of resistance R8 connects the negative electrode of diode D6, the anode of diode D6 connects the control pole of unidirectional thyristor Q1, the anode of unidirectional thyristor Q1 connects the sliding end of potentiometer RP5 and another stiff end of potentiometer RP5, the negative electrode of unidirectional thyristor Q1 connects the other end of light fixture H.
As preferred version of the present utility model: the model of described chip IC 1 is 7805, and the model of chip IC 2 ~ IC5 is LM321, the model of chip IC 6 is NE555.
As preferred version of the present utility model: described light fixture H is LED electricity-saving lamp.
Compared with prior art; the beneficial effects of the utility model are: the utility model LED lamp circuit can regulate the number of windings of transformer automatically according to mains fluctuation; thus reach the effect of regulated output voltage; realize the object of circuit being carried out to overvoltage and under-voltage protection; make LED supply power voltage stablize simultaneously, therefore circuit have that structure is simple, the advantage of stable output and diverse in function.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the LED with automatic Regulation function.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of LED with automatic Regulation function, comprise chip IC 1, transformer W, potentiometer RP2, chip IC 6 and unidirectional thyristor Q1, one end of the winding L 1 of described transformer W connects the normally opened contact K2-2 of relay K 2, the other end of the normally opened contact K2-2 of relay K 2 connects 220VAC, the normally opened contact K1-2 of the relay K 1 and normally-closed contact K1-1 of relay K 1, the other end of the normally-closed contact K1-1 of relay K 1 connects the normally-closed contact K2-1 of relay K 2, the other end of winding L 1 of the other end connection transformer W of the normally-closed contact K2-1 of relay K 2 and the winding L 2 of transformer W, the winding L 3 of other end connection transformer W of the winding L 2 of transformer W and the other end of the normally opened contact K1-2 of relay K 1, the other end of the winding L 3 of transformer W connects the other end of 220VAC, the winding L 4 connecting valve S1 of transformer W, the other end of switch S 1 connects the port one of rectifier bridge T, the other end of the winding L 4 of the port 3 connection transformer W of rectifier bridge T, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, the pin 1 of electric capacity C1 and chip IC 1, the other end of electric capacity C1 connects electric capacity C5, electric capacity C6, resistance R7, light fixture H, the anode of diode D1, the negative electrode of diode D5, the port 4 of rectifier bridge T and the pin 1 of chip IC 6, the other end of resistance R1 connects the stiff end of potentiometer RP1, the stiff end of potentiometer RP2, the stiff end of potentiometer RP3, the stiff end of potentiometer RP4 and the negative electrode of diode D1, another stiff end ground connection of potentiometer RP1, another stiff end ground connection of potentiometer RP2, another stiff end ground connection of potentiometer RP3, another stiff end ground connection of potentiometer RP4, the sliding end of potentiometer RP1 connects the pin 3 of chip IC 2, the sliding end of potentiometer RP2 connects the pin 3 of chip IC 3, the sliding end of potentiometer RP3 connects the pin 3 of chip IC 4, the sliding end of potentiometer RP4 connects the pin 3 of chip IC 5, the other end of resistance R2 connects the pin 1 of chip IC 2, the pin 1 of chip IC 3, the pin 1 of chip IC 4 and the pin 1 of chip IC 5, pin 2 ground connection of chip IC 1, the pin 3 of chip IC 1 connects electric capacity C2, electric capacity C3, electric capacity C4, a stiff end of potentiometer RP1, the negative electrode of diode D7, the negative electrode of diode D8, relay K 1, relay K 2, resistance R5, the pin 4 of chip IC 6 and the pin 8 of chip IC 6, the pin 4 contact resistance R3 of chip IC 2, the base stage of the other end connecting triode VT1 of resistance R3, the collector electrode of triode VT1 connects the other end of electric capacity C3, the anode of diode D7 and the other end of relay K 1, the pin 4 contact resistance R4 of chip IC 3, the base stage of the other end connecting triode VT2 of resistance R3, the collector electrode of triode VT2 connects the other end of electric capacity C4, the anode of diode D8 and the other end of relay K 2, the pin 4 of chip IC 4 connects the anode of diode D2, the negative electrode of diode D2 connects negative electrode and the resistance R6 of diode D3, the base stage of the other end connecting triode VT3 of resistance R6, the grounded emitter of triode VT1, the grounded emitter of triode VT2, the emitter of triode VT3 connects the anode of diode D4, the other end of resistance R5 connects the other end of electric capacity C5, the collector electrode of triode VT3, the pin 2 of chip IC 6 and the pin 6 of chip IC 6, the pin 5 of chip IC 6 connects the other end of electric capacity C6, the pin 3 contact resistance R8 of chip IC 6 and resistance R9, the other end of resistance R9 connects the anode of diode D5, the other end of resistance R8 connects the negative electrode of diode D6, the anode of diode D6 connects the control pole of unidirectional thyristor Q1, the anode of unidirectional thyristor Q1 connects the sliding end of potentiometer RP5 and another stiff end of potentiometer RP5, the negative electrode of unidirectional thyristor Q1 connects the other end of light fixture H.
The model of chip IC 1 is 7805, and the model of chip IC 2 ~ IC5 is LM321, and the model of chip IC 6 is NE555.Light fixture H is LED electricity-saving lamp.
Operation principle of the present utility model is: when line voltage is normal (185V-245V), and the equal output low level of IC2, IC3, IC4, IC5, relay K 1, K2 are all failure to actuate.When line voltage is greater than 245V and is less than 270V, IC2 exports high level, the equal output low level of IC3, IC4, IC5, now K1 action, its normally-closed contact K1-1 disconnects, and normally opened contact K1-2 adhesive is switched on the step-down winding of transformer, make output voltage about 30V lower than civil power, in normal range (NR).When line voltage is less than 185V and is greater than 160V, IC3 exports high level, the equal output low level of IC2, IC4, IC5, now K2 action, its normally-closed contact K2-1 disconnects, and normally opened contact K2-2 adhesive is switched on the boosting winding of transformer, output voltage than civil power height about 30V, in normal range (NR).In above-mentioned three kinds of situations, triode VT3 ends, and electric capacity C5 is charged by resistance R5, and after about 5 minutes, 2 pin of IC6 and 6 pin voltages reach 4V, its 3 pin output low level, and there has been trigger voltage conducting the control pole of unidirectional thyristor Q1, for compressor M powers.When line voltage too high (being greater than 270V) or too low (being less than 160V); IC4 or IC5 exports high level; triode VT3 conducting; electric capacity C5 discharges rapidly; 2 pin and the 6 pin voltages of IC5 are down to below 2V, and its 3 pin exports high level, and the control pole of unidirectional thyristor Q1 is ended because of triggerless voltage; disconnect the power supply of light fixture H, reach the object of overvoltage and under-voltage protection.Circuit can regulate the number of windings of transformer automatically according to mains fluctuation; thus reach the effect of regulated output voltage; realize the object of circuit being carried out to overvoltage and under-voltage protection; make LED supply power voltage stablize simultaneously, therefore circuit have that structure is simple, the advantage of stable output and diverse in function.
Claims (3)
1. there is a LED for automatic Regulation function, comprise chip IC 1, transformer W, potentiometer RP2, chip IC 6 and unidirectional thyristor Q1, it is characterized in that, one end of the winding L 1 of described transformer W connects the normally opened contact K2-2 of relay K 2, the other end of the normally opened contact K2-2 of relay K 2 connects 220VAC, the normally opened contact K1-2 of the relay K 1 and normally-closed contact K1-1 of relay K 1, the other end of the normally-closed contact K1-1 of relay K 1 connects the normally-closed contact K2-1 of relay K 2, the other end of winding L 1 of the other end connection transformer W of the normally-closed contact K2-1 of relay K 2 and the winding L 2 of transformer W, the winding L 3 of other end connection transformer W of the winding L 2 of transformer W and the other end of the normally opened contact K1-2 of relay K 1, the other end of the winding L 3 of transformer W connects the other end of 220VAC, the winding L 4 connecting valve S1 of transformer W, the other end of switch S 1 connects the port one of rectifier bridge T, the other end of the winding L 4 of the port 3 connection transformer W of rectifier bridge T, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, the pin 1 of electric capacity C1 and chip IC 1, the other end of electric capacity C1 connects electric capacity C5, electric capacity C6, resistance R7, light fixture H, the anode of diode D1, the negative electrode of diode D5, the port 4 of rectifier bridge T and the pin 1 of chip IC 6, the other end of resistance R1 connects the stiff end of potentiometer RP1, the stiff end of potentiometer RP2, the stiff end of potentiometer RP3, the stiff end of potentiometer RP4 and the negative electrode of diode D1, another stiff end ground connection of potentiometer RP1, another stiff end ground connection of potentiometer RP2, another stiff end ground connection of potentiometer RP3, another stiff end ground connection of potentiometer RP4, the sliding end of potentiometer RP1 connects the pin 3 of chip IC 2, the sliding end of potentiometer RP2 connects the pin 3 of chip IC 3, the sliding end of potentiometer RP3 connects the pin 3 of chip IC 4, the sliding end of potentiometer RP4 connects the pin 3 of chip IC 5, the other end of resistance R2 connects the pin 1 of chip IC 2, the pin 1 of chip IC 3, the pin 1 of chip IC 4 and the pin 1 of chip IC 5, pin 2 ground connection of chip IC 1, the pin 3 of chip IC 1 connects electric capacity C2, electric capacity C3, electric capacity C4, a stiff end of potentiometer RP1, the negative electrode of diode D7, the negative electrode of diode D8, relay K 1, relay K 2, resistance R5, the pin 4 of chip IC 6 and the pin 8 of chip IC 6, the pin 4 contact resistance R3 of chip IC 2, the base stage of the other end connecting triode VT1 of resistance R3, the collector electrode of triode VT1 connects the other end of electric capacity C3, the anode of diode D7 and the other end of relay K 1, the pin 4 contact resistance R4 of chip IC 3, the base stage of the other end connecting triode VT2 of resistance R3, the collector electrode of triode VT2 connects the other end of electric capacity C4, the anode of diode D8 and the other end of relay K 2, the pin 4 of chip IC 4 connects the anode of diode D2, the negative electrode of diode D2 connects negative electrode and the resistance R6 of diode D3, the base stage of the other end connecting triode VT3 of resistance R6, the grounded emitter of triode VT1, the grounded emitter of triode VT2, the emitter of triode VT3 connects the anode of diode D4, the other end of resistance R5 connects the other end of electric capacity C5, the collector electrode of triode VT3, the pin 2 of chip IC 6 and the pin 6 of chip IC 6, the pin 5 of chip IC 6 connects the other end of electric capacity C6, the pin 3 contact resistance R8 of chip IC 6 and resistance R9, the other end of resistance R9 connects the anode of diode D5, the other end of resistance R8 connects the negative electrode of diode D6, the anode of diode D6 connects the control pole of unidirectional thyristor Q1, the anode of unidirectional thyristor Q1 connects the sliding end of potentiometer RP5 and another stiff end of potentiometer RP5, the negative electrode of unidirectional thyristor Q1 connects the other end of light fixture H.
2. a kind of LED with automatic Regulation function according to claim 1, is characterized in that, the model of described chip IC 1 is 7805, and the model of chip IC 2 ~ IC5 is LM321, and the model of chip IC 6 is NE555.
3. a kind of LED with automatic Regulation function according to claim 1, is characterized in that, described light fixture H is LED electricity-saving lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390197.4U CN204795717U (en) | 2015-06-08 | 2015-06-08 | LED lamp with automatic voltage regulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390197.4U CN204795717U (en) | 2015-06-08 | 2015-06-08 | LED lamp with automatic voltage regulation function |
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| Publication Number | Publication Date |
|---|---|
| CN204795717U true CN204795717U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520390197.4U Expired - Fee Related CN204795717U (en) | 2015-06-08 | 2015-06-08 | LED lamp with automatic voltage regulation function |
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| Country | Link |
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| CN (1) | CN204795717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102206A (en) * | 2016-05-28 | 2016-11-09 | 李宗凤 | Lamp is with driving power supply |
-
2015
- 2015-06-08 CN CN201520390197.4U patent/CN204795717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102206A (en) * | 2016-05-28 | 2016-11-09 | 李宗凤 | Lamp is with driving power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |